Top Staff Engineer Jobs in Chicago, IL

Lead fraud decisioning engineering initiatives by architecting, building, launching, and maintaining complex backend systems. Drive cross-functional projects from definition through monitoring, write high-quality and resilient code, review technical work, mentor engineers, collaborate with Product, ML, Analytics, and Business teams, and contribute to hiring and interview design.

Lead architecture, technical strategy, and execution for complex, business-critical initiatives across the Brand platform. Partner with product, design, data, and platform teams to build scalable, reliable systems; establish APIs and system boundaries; reduce technical risk; improve observability and operational readiness; and mentor engineers and emerging technical leaders.

Full‑stack staff engineer to ship web products end-to-end, iterate on and expand a suite of sales/CRM-focused tools, define engineering culture and best practices, and hire/mentor future engineers. Must move fast in a small team, engage with users, and solve new problems creatively.

Leads technical vision and hands-on engineering for high-volume global payment systems. Designs scalable, performant, secure distributed architectures; modernizes monoliths into microservices and event-driven platforms; establishes API and coding standards; and drives cross-divisional technology initiatives. Mentors engineers, collaborates with architecture and product leaders, evaluates non-functional requirements, and contributes to cloud, data, AI, and payment-network strategy.

Lead architecture, technical direction, implementation, and delivery across Scripture-centered web and mobile products. Translate product concepts into technical plans, review code and vendor work, ensure quality and security, and guide scalable serverless solutions. Mentor engineers, promote development and DevOps best practices, support AI adoption, and collaborate with product managers, ministry leaders, stakeholders, and external partners. The role is a remote individual-contributor position requiring occasional domestic travel and U.S. work eligibility.

Lead firmware and full-stack development for edge AI safety products, spanning embedded systems, Go backend services, and web or mobile surfaces. Own features from customer problem through fleet-scale deployment, establish architecture, optimize AI algorithms for constrained devices, partner with hardware and cross-functional teams, mentor engineers, and deliver high-impact products across more than one million connected devices.

Lead full-stack development for Huntress’s SOC platform, building analyst-facing investigation, triage, remediation, queueing, and customer reporting experiences. Shape architecture, data models, interfaces, security practices, reliability, observability, and testing while mentoring engineers and partnering with Product, UX, and SOC stakeholders. The role emphasizes Ruby on Rails, modern frontend development, cloud infrastructure, relational databases, and technical leadership across complex cybersecurity software products.

Lead the design and delivery of complex distributed systems and high-impact product initiatives for Toast’s Catering & Events platform. Own critical architecture, drive technical strategy, improve scalability and reliability, mentor engineers, establish engineering best practices, and collaborate with Product and Design. The role also involves applying AI tools to improve developer productivity and enable new capabilities.

Lead the design, development, and delivery of scalable payroll onboarding software. Drive technically complex initiatives, influence architecture and roadmaps, collaborate across product, design, and engineering, improve reliability, promote coding best practices, mentor engineers, and use AI tools to enhance development productivity.

Leads technical initiatives for Toast’s restaurant scheduling product, designing and delivering scalable full-stack software. Responsibilities include architecture, API and system design, roadmap influence, cross-functional collaboration, engineering quality, performance, and technical leadership. The role also promotes AI-assisted development and improved employee and customer experiences.

Leads the technical strategy and hands-on engineering for Capital One’s customer management platforms. Responsibilities include modernizing legacy systems into microservices and event-driven architectures, setting platform and API standards, building full-stack solutions, establishing SRE and engineering productivity functions, enabling experimentation and AI-powered product delivery, and mentoring senior technical leaders. The role leads more than 100 engineers while contributing directly to architecture, coding, system optimization, and operational excellence.

Leads technical vision and architecture for Card Tech while remaining hands-on in software development. Modernizes monoliths into microservices and event-driven platforms, establishes API and design standards, ensures scalable and secure implementations, and mentors engineering teams. The role requires expertise in cloud computing, data architecture, distributed systems, enterprise architecture, and AI-native development, along with leadership of cross-divisional initiatives and talent recruitment.

Leads technical vision and architecture for high-volume payment systems. Designs scalable, resilient distributed platforms, modernizes monoliths into microservices and event-driven architectures, establishes API and coding standards, and drives cross-domain engineering initiatives. Provides hands-on technical leadership, mentors engineers, communicates architecture decisions, and advises senior leaders on performance, scalability, operability, cloud, and data architecture.

Leads software engineering and architecture for Card Tech, combining hands-on development with technical mentorship. Defines technical vision, modernizes monoliths into microservices and event-driven platforms, establishes API and design standards, and drives scalable, secure, operable solutions. Partners across divisions, mentors senior engineers, evaluates AI-generated code, and leads architectural strategy and engineering excellence initiatives.

Develop and maintain internal full-stack applications using C#/Blazor or Python. Build CI/CD pipelines and infrastructure automation with GitLab, Azure DevOps, GitHub, Artifactory, and SonarQube. Partner with cross-functional teams to improve software delivery, code quality, security, compliance, and operational visibility. Implement scalable enterprise solutions, infrastructure as code, secure development practices, and DevSecOps workflows.

Leads technical vision and architecture for a network authorization switch, focusing on resilient, scalable systems. Designs and modernizes monoliths into microservices and event-driven platforms, establishes API and coding standards, and ensures performance, scalability, and operability. Provides hands-on engineering leadership, mentors engineers, drives cross-divisional initiatives, and advises on cloud, data, distributed systems, and enterprise architecture.

Lead technical vision and architecture for high-volume payment systems. Design scalable, resilient distributed platforms; modernize monoliths into microservices and event-driven architectures; establish API, coding, and design standards; ensure performance and operability; mentor engineers; guide cross-domain initiatives; and contribute hands-on across the software development lifecycle.

Provides enterprise-level technical leadership for large-scale software systems and shared platforms. Owns architecture, orchestration patterns, reliability, resilience, developer tooling, and technical roadmaps across multiple teams. Establishes engineering standards, mentors engineers, integrates vendor and internal platforms, and connects technology outcomes to business and reliability metrics. Requires extensive distributed-systems experience and expertise in fault tolerance, recovery design, and organization-wide technical leadership.

Leads technical strategy and architecture for a scalable advertising platform supporting video, server-side advertising, connected TV, programmatic advertising, and new ad formats. Designs distributed systems, evaluates ad technologies, improves reliability and observability, partners across engineering and product teams, mentors engineers, and guides long-term technical investments and roadmaps.

Staff Software Engineer responsible for designing scalable distributed systems and full-stack web applications supporting provider acquisition, onboarding, and marketplace supply growth. The role leads cross-team technical initiatives, shapes engineering strategy, mentors developers, and delivers provider-facing products from discovery through post-launch support. Experience with AI-assisted development workflows and technologies such as Node.js, React, TypeScript, Kafka, AWS, Docker, and Kubernetes is valued.

Lead architecture and hands-on engineering for Capital One’s Settlement platform modernization in the cloud. Define technical vision, design scalable and reliable systems, guide migration from monoliths to microservices and event-driven platforms, establish API and coding standards, and oversee technical quality. Mentor engineers, conduct architectural reviews, contribute proof-of-concept work, influence cross-divisional initiatives, and advance security, DevOps, performance, and operational excellence.

Lead the architecture and delivery of GitLab’s data products, including near-real-time data ingestion, knowledge graph integrations, data marketplaces, observability, and data-sharing APIs. Translate ambiguous 0-to-1 initiatives into roadmaps, resolve cross-team dependencies, ensure operational readiness across deployment surfaces, and mentor engineers. The role requires deep full-stack expertise, technical leadership, and experience with AI-powered orchestration and multi-tenant SaaS systems.

Build and own AI-assisted development infrastructure, including autonomous cloud development environments, MCP integrations, agent documentation, internal tooling, and enablement programs. Improve how engineering teams use AI coding agents across the organization, drive cross-team adoption, and stay current with AI productivity trends. The role requires strong software engineering, developer tooling, cloud infrastructure, CI/CD, and application development experience.

Design and evolve scalable referral, partner data, and patient booking systems. Lead complex technical projects across teams, make architecture and API decisions, improve security, performance, reliability, and scalability, and mentor engineers. Collaborate with product, design, engineering leadership, partners, and stakeholders while using AI-assisted development tools such as Claude Code to improve delivery velocity and quality.

Lead the technical vision, architecture, and delivery of Toast’s pricing engine across multiple teams. Design and operate highly available distributed systems, APIs, databases, and event-driven services at scale. Serve as the pricing domain expert, improve correctness and performance, lead incident response and reliability initiatives, mentor engineers, establish operational excellence, and align technical priorities with Product and engineering leadership.